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@d-a-v d-a-v commented Feb 1, 2019

fix #5667

Bug is reproduced
This patch stops dhcp client when WiFi goes off,
dhcp client was anyway started by firmware when WiFi goes on.

Thanks @dalbert2

edit: bug no more appearing

@d-a-v d-a-v added this to the 2.5.0 milestone Feb 1, 2019
@d-a-v d-a-v changed the title stop lwIP dhcp client with WiFi goes off. stop lwIP dhcp client when WiFi goes off. Feb 1, 2019
@@ -389,6 +389,11 @@ bool ESP8266WiFiGenericClass::mode(WiFiMode_t m) {

bool ret = false;

if (m == WIFI_OFF)
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Instead of testing for OFF, should this be testing for !STA && !STA_AP?

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!STA && !STA_AP == OFF || AP, so yes it is better.

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Exception 0 in LWIP2 on DHCP renew with WIFI_OFF
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